TY - GEN AU - Sakthivadivel, R. AU - Amarasinghe, Upali A. AU - Thiruvengadachari, S. TI - Using remote sensing techniques to evaluate lining efficacy of watercourses SN - 929090416X PY - 2001/// PB - Colombo : IWMI KW - WATER KW - WATERWAYS KW - REMOTE SENSING ER -